Internal Medicine Doctors

Dr. Saeid Ahmadpour MD

Saeid Ahmadpour, MD

Practicing Internal Medicine since 1994, Dr. Ahmadpour joined Lassen Medical Clinic in 2017. He came to Lassen from Tully Community Hospital in Queensland, Australia. Among the hospitals at which he previously practiced are Townsville General Hospital (also in Queensland), Parkview Hospital (Pueblo, Colorado) and Keefe Memorial Hospital (Cheyenne Wells, Colorado) where he served as Chief of Medical Services.

Dr. Ahmadpour earned his medical degree from the University of Umea in northern Sweden, and completed his internship at Skellefteå Hospital, not far from Umea. He then came to the United States where he completed an Endocrinology Fellowship at Good Samaritan Hospital in Phoenix and a residency in Internal Medicine at Chicago’s Mercy Hospital & Medical Center and the University of Illinois at Chicago (home of the largest medical school in the United States).

Among his papers and presentations is an article in Journal of Rural Health on “Predictors of Colorectal Screening in Rural Colorado.”

Dr. Ahmadpour is a Fellow of the American College of Physicians and a member of the Australian Medical Association.

Dr. David Dahnke, MD

David Dahnke, MD

Joined Lassen Medical Clinic:

  • April 1995

Board Certified:

  • 1995


  • MD Degree, University of Health Sciences/The Chicago Medical School, 1991


  • St. Josephs Hospital and Medical Center, Phoenix, Arizona

View Dr. Dahnke's profile page 

Robin Pendleton, FNP

Robin Pendleton, FNP, Red Bluff

Robin began working as a Family Nurse Practitioner in 2017 after completing the Masters of Science from East Tennessee State University (ETSU). Robin earned a Bachelors of Science in Nursing from ETSU in east Tennessee and an Associates of Science in Nursing from Walter State Community College. Prior, Robin held a LPN license for 5 years before continuing her education. Robin is joining Lassen Medical Clinic in 2020 working with Internal Medicine at the Red Bluff location. Robin has 2 years of Family Medicine experience acquired on the Texas border at a FQHC seeing patients of all ages. Additionally, Robin has extensive nursing experience in cardiology, long-term care, pediatrics, and neonatology.

Joined Lassen Medical Clinic:

  • January 2020


  • AANP Certification as FNP, 2017
  • BLS
  • ACLS

More about Robin 

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For more information or to make an appointment with one of our internal medicine doctors, please call 530.527.0414 or contact us.